Correlation among electronic polarisability, optical basicity, interaction parameter and XPS spectra of Bi2O3-B2O3 glasses

T. Honma, Yasuhiko Benino, T. Komatsu, R. Sato, V. Dimitrov

Research output: Contribution to journalArticle

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Abstract

The average electronic polarisability of the oxide ion (αO2-), optical basicity (Λ), Yamashita-Kurosawa's interaction parameter (A) and oxygen 1s (O1s) binding energy in x-ray photoelectron spectroscopy (XPS) of xBi2O3. (100-x)B2O3 glasses (x=0∼65) have been examined to check correlations among them and to clarify the electronic structure of the glasses and bonding character of Bi-O. Both αO2- and A increase gradually with increasing Bi2O3 content, and large αO2- values over 2 Å3 and large Λ values over 0.9 are obtained in the glasses with high Bi2O3 contents. The interaction parameter ranges from about 0·05 to 0·25 and decreases with increasing Bi2O3 content. The O1s peak in XPS spectra consists of two components: the O1s peak with higher binding energies, O1s(1), is assigned to B-O-B bonds and that with lower binding energies, O1s(2), corresponds to Bi-O-B and Bi-O-Bi bonds. The O1s(1) binding energy decreases gradually with increasing Bi2O3 content but the O1s(2) binding energy is almost constant suggesting that the ionic/covalent character of Bi-O bonds does not change significantly with composition. Close correlations are observed among αO2-, Λ, A and mean O1s binding energy. Particularly, it has been found that O1s binding energy is a good measure of the optical basicity of Bi2O3-B2O3 glasses and the interaction parameter gives good information about the electronic polarisability of oxide glasses as well as optical basicity. It is found that Bi-O bonds in Bi2O3-B2O3 glasses are more ionic compared with Sb-O bonds in Sb2O3-B2O3 glasses.

Original languageEnglish
Pages (from-to)32-40
Number of pages9
JournalPhysics and Chemistry of Glasses
Volume43
Issue number1
Publication statusPublished - Feb 2002
Externally publishedYes

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Photoelectron spectroscopy
Alkalinity
x ray spectroscopy
Binding energy
photoelectron spectroscopy
Oxygen
X rays
Glass
binding energy
glass
oxygen
electronics
interactions
Oxides
Optical glass
boron oxide
oxides
Electronic structure
Ions
electronic structure

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Ceramics and Composites

Cite this

Correlation among electronic polarisability, optical basicity, interaction parameter and XPS spectra of Bi2O3-B2O3 glasses. / Honma, T.; Benino, Yasuhiko; Komatsu, T.; Sato, R.; Dimitrov, V.

In: Physics and Chemistry of Glasses, Vol. 43, No. 1, 02.2002, p. 32-40.

Research output: Contribution to journalArticle

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abstract = "The average electronic polarisability of the oxide ion (αO2-), optical basicity (Λ), Yamashita-Kurosawa's interaction parameter (A) and oxygen 1s (O1s) binding energy in x-ray photoelectron spectroscopy (XPS) of xBi2O3. (100-x)B2O3 glasses (x=0∼65) have been examined to check correlations among them and to clarify the electronic structure of the glasses and bonding character of Bi-O. Both αO2- and A increase gradually with increasing Bi2O3 content, and large αO2- values over 2 {\AA}3 and large Λ values over 0.9 are obtained in the glasses with high Bi2O3 contents. The interaction parameter ranges from about 0·05 to 0·25 and decreases with increasing Bi2O3 content. The O1s peak in XPS spectra consists of two components: the O1s peak with higher binding energies, O1s(1), is assigned to B-O-B bonds and that with lower binding energies, O1s(2), corresponds to Bi-O-B and Bi-O-Bi bonds. The O1s(1) binding energy decreases gradually with increasing Bi2O3 content but the O1s(2) binding energy is almost constant suggesting that the ionic/covalent character of Bi-O bonds does not change significantly with composition. Close correlations are observed among αO2-, Λ, A and mean O1s binding energy. Particularly, it has been found that O1s binding energy is a good measure of the optical basicity of Bi2O3-B2O3 glasses and the interaction parameter gives good information about the electronic polarisability of oxide glasses as well as optical basicity. It is found that Bi-O bonds in Bi2O3-B2O3 glasses are more ionic compared with Sb-O bonds in Sb2O3-B2O3 glasses.",
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AB - The average electronic polarisability of the oxide ion (αO2-), optical basicity (Λ), Yamashita-Kurosawa's interaction parameter (A) and oxygen 1s (O1s) binding energy in x-ray photoelectron spectroscopy (XPS) of xBi2O3. (100-x)B2O3 glasses (x=0∼65) have been examined to check correlations among them and to clarify the electronic structure of the glasses and bonding character of Bi-O. Both αO2- and A increase gradually with increasing Bi2O3 content, and large αO2- values over 2 Å3 and large Λ values over 0.9 are obtained in the glasses with high Bi2O3 contents. The interaction parameter ranges from about 0·05 to 0·25 and decreases with increasing Bi2O3 content. The O1s peak in XPS spectra consists of two components: the O1s peak with higher binding energies, O1s(1), is assigned to B-O-B bonds and that with lower binding energies, O1s(2), corresponds to Bi-O-B and Bi-O-Bi bonds. The O1s(1) binding energy decreases gradually with increasing Bi2O3 content but the O1s(2) binding energy is almost constant suggesting that the ionic/covalent character of Bi-O bonds does not change significantly with composition. Close correlations are observed among αO2-, Λ, A and mean O1s binding energy. Particularly, it has been found that O1s binding energy is a good measure of the optical basicity of Bi2O3-B2O3 glasses and the interaction parameter gives good information about the electronic polarisability of oxide glasses as well as optical basicity. It is found that Bi-O bonds in Bi2O3-B2O3 glasses are more ionic compared with Sb-O bonds in Sb2O3-B2O3 glasses.

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